This site is intended for healthcare professionals
Last reviewed dd mmm yyyy. Last edited dd mmm yyyy
The terms early versus late pregnancy is becoming widely accepted as a better indicator of disease significance than the classic terms "mild" or "severe" pre-eclamsia (1).
There is evidence that early onset (before 34 weeks of gestation) is associated with severe pre-eclamsia.
Other than the aetiology of the disease, maternal haemodynamics appear to vary according to the time of presentation. A study conducted with 1345 nulliparous patients identified as normotensive with bilateral uterine notching at 20-22 weeks' gestation found out that